Extraction of living Brucella abortus (strain 456) with aqueous ether yielded a nonviable, insoluble residue (Bru-Pel). When injected into mice, Bru-Pel was an effective, nontoxic interferon stimulus. Mice pretreated with Bru-Pel were protected against challenge with otherwise lethal doses of Semliki Forest virus. Significant protection was afforded when Bru-Pel was given as many as 7 days befo...

The catalytic base in family 48 glycosyl hydrolases has not been previously established experimentally. Based on structural and modeling data published to date, we used site-directed mutagenesis and azide rescue activity assays to show definitively that the catalytic base in Thermobifida fusca Cel48A is aspartic acid 225. Of the tested mutants, only Cel48A with the D225E mutation retained parti...

The possibility of using water insoluble fraction from biomass pyrolysis oil as additive in synthesis of Wood-Plastic novolac has been proved by using Differential Scanning Calorimetry (DSC) and Fourier Transformed Infra Red (FT-IR) spectroscopy. Synthesis of novolac with different concentrations (10, 20 and 30 wt %) of water insoluble fraction were performed. It was found that mechanical p...

Bauxite residue (red mud), which is an industrial byproduct, contains valuable trace elements. Solid NH4Cl was used as a chlorinating agent during the microwave heating of red mud to convert elements into soluble metal chloride. Red heated using ovens under various conditions (i.e., with addition solid and range output powers times). Leaching tests were then conducted deionized (DI) water on mi...

Abstract The paper describes the study devoted to production technology of protein-carbohydrate components based on soya, vegetables, wild Far Eastern raw materials, which includes operations for joint disintegration and extraction preliminary steeped soy seeds crushed fresh carrots or sweet pepper in a ratio 1:1, separation obtained mixture, introduction bulb onions, bracken, mushrooms into in...

Our study aims to decompose phosphogypsum (PG), mainly composed of CaSO4.2H2O, by reduction in an acidic medium. We evaluated the decomposition PG various reaction mechanisms. Sulfate ions from acid digestion are reduced sulfide hydrogen gas produced solution hydrochloric attack metal iron. The solid residues obtained have been determined and monitored X-Ray Diffraction, Fourier-Transform Infra...

Promoting a circular economy through valorisation of food processing waste into functional ingredients is challenge today. The combination hot air drying with milling cheap and highly available option for obtaining powdered products from blueberry pomace, residue large amount fibre high proportion polyphenols the fruit. objective this work was to analyse effect temperature (60 °C 70 °C) granulo...